package karaoke.servlets;

import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import karaoke.excepcion.DAOExcepcion;
import karaoke.modelo.Usuario;
import karaoke.negocio.GestionUsuario;

/**
 * Servlet implementation class LoginServlet
 */
@WebServlet("/LoginServlet")
public class LoginServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public LoginServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		
		GestionUsuario negocio = new GestionUsuario();
		String email  = request.getParameter("txtusuario");
		String clave  = request.getParameter("txtclave");
				
		if(email != null && clave!=null){
			try {
				Usuario objUsuario= negocio.obtenerUsuario(email,clave);
						
				if(objUsuario!=null && objUsuario.getcodpersona()!= 0 )
				{
					HttpSession sesion = request.getSession();
					sesion.setAttribute("USUARIO_ACTUAL", objUsuario);
						
					RequestDispatcher rd = request.getRequestDispatcher("index.jsp");
					rd.forward(request, response);
				}
				else{
					request.setAttribute("MENSAJE","Usuario no existe.");	
					RequestDispatcher rd = request.getRequestDispatcher("Login.jsp");
					rd.forward(request, response);					
				}
				
			} catch (DAOExcepcion e) {				
				e.printStackTrace();
			}
		}
		
	}

}
